tag:blogger.com,1999:blog-1726553800320123455.comments2010-10-04T04:24:41.215-07:00Hishahmuddinhttp://www.blogger.com/profile/06306106154352153742noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1726553800320123455.post-33198981085187645322010-10-04T04:24:41.215-07:002010-10-04T04:24:41.215-07:00<a href="http://www.aditgroup.com" rel="nofollow">PA systems</a> are often used in small venues such as school auditoriums, churches, and small bars. PA systems with a larger number of speakers are widely used in institutional and commercial buildings, to read announcements or declare states of emergency. The simplest PA systems consist of a microphone, a modestly-powered mixer amplifier and one or more loudspeakers.There are four Types of PA System: Small Systems, Telephone paging system,PA over IP,Long line PA.Rakeshhttp://www.blogger.com/profile/01813616147837161379noreply@blogger.com